<template>
  <div>
  <el-container>
  <el-header class="homeHeader">
      <div class="title">
          云E办
      </div>
      <div>
          <el-button icon="el-icon-chat-dot-square" type="text" size="normal" style="margin-right: 8px; color: red;"
                     @click="goChat">
          </el-button>
          <el-dropdown class="userInfo" @command="commandHandler">
          <span class="el-dropdown-link">
              {{user.name}}
              <i><img src="user.userFace"></i>
          </span>
          <el-dropdown-menu slot="dropdown">
              <el-dropdown-item command="userinfo">个人中心</el-dropdown-item>
              <el-dropdown-item command="setting">设置</el-dropdown-item>
              <el-dropdown-item command="logout">注销登录</el-dropdown-item>
          </el-dropdown-menu>
      </el-dropdown>
      </div>
  </el-header>
  <el-container>
          <el-aside width="200px">
              <el-menu router unique-opened>
                  <el-submenu :index="index+''" 
                              v-for="(item,index) in routes" 
                              :key="index" 
                              v-if="!item.hidden">
                      <template slot="title">
                          <i :class="item.iconCls" style="margin-right: 5px;"></i>
                          <span>{{item.name}}</span>  
                          </template>
                          <el-menu-item :index="children.path" 
                                      v-for="(children,indexj) in item.children" :key="indexj">{{children.name}}
                          </el-menu-item>
                  </el-submenu>
              </el-menu>
                  </el-aside>
                  <el-main>
                      <!-- 面包屑效果 -->
                      <el-breadcrumb separator-class="el-icon-arrow-right"
                                     v-if="this.$router.currentRoute.path !='/home'">
                          <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
                          <el-breadcrumb-item>{{this.$router.currentRoute.name}}</el-breadcrumb-item>
                      </el-breadcrumb>
                      <div class="homeWelcome" v-if="this.$router.currentRoute.path == '/home'">
                          欢迎来到云E办系统
                      </div>
                      <router-view class="homeRouterView"/>
                  </el-main>
              </el-container>
          </el-container>
      </div>
</template>

<script>
  export default {
      name: 'Home',
      data(){
          return{
              // user:JSON.parse(window.sessionStorage.getItem('user'))
          }
      },
      computed:{
          routes(){
              return this.$store.state.routes;
          },
          user(){
              return this.$store.state.currentAdmin
          }
      },
      methods:{
          goChat(){
              this.$router.push('chat')
          },
          commandHandler(command){
              if(command == 'logout'){
                  this.$confirm('此操作将注销登录, 是否继续?', '提示', {
                      confirmButtonText: '确定',
                      cancelButtonText: '取消',
                      type: 'warning'
                  }).then(() => {
                      // 注销登录
                      this.postRequest('/logout');
                      // 清空用户信息
                      window.sessionStorage.removeItem('tokenStr');
                      window.sessionStorage.removeItem('user');
                      // 清空菜单
                      this.$store.commit('initRoutes',[]);
                      // 跳转到登录页
                      this.$router.replace('/')
                  }).catch(() => {
                      this.$message({
                      type: 'info',
                      message: '已取消该操作'
                  });          
              });
              }
              if(command == 'userinfo'){
                  this.$router.push('/userinfo')
              }
          }
      }
  }
</script>

<style>
  .homeHeader{
      background: #409eff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding:0 15px;
      box-sizing: border-box;
  }
  .homeHeader .title{
      font-size: 30px;
      font-family: 华文楷体;
      color: white;
  }
  .homeHeader .userInfo{
      cursor: pointer;
      color: white;
  }
  .el-dropdown-link img{
      width: 48px;
      height: 48px;
      border-radius: 24px;
      margin-left: 10px;
  }
  .homeWelcome{
      text-align: center;
      font-size: 40px;
      font-family: 华文楷体;
      color: skyblue;
      padding-top: 50px;
  }
  .homeRouterView{
      margin-top: 15px;
  }
</style>